Archghoul of Thraben + Mortuary + Rooftop Storm + Altar of Dementia

Archghoul of Thraben
Mortuary
Rooftop Storm
Altar of Dementia

Requires
Archghoul of Thraben must be on the battlefield. Mortuary must be on the battlefield. Rooftop Storm must be on the battlefield. Altar of Dementia must be on the battlefield. You control another nontoken Zombie.
Steps
  1. Activate Altar of Dementia by sacrificing Archghoul of Thraben.
  2. Mortuary and Archghoul of Thraben trigger.
  3. Resolve the Mortuary trigger, putting Archghoul of Thraben on top of your library from your graveyard.
  4. Resolve the Archghoul of Thraben trigger, revealing Archghoul of Thraben from the top of your library and putting it into your hand.
  5. Resolve the Altar of Dementia ability, causing target player to mill cards equal to Archghoul of Thraben's power.
  6. Cast Archghoul of Thraben by paying 0.
  7. Repeat.
Results
Infinite death triggers. Infinite ETB. Infinite LTB. Infinite mill. Infinite sacrifice triggers. Infinite self-mill. Infinite storm count.

Wilhelt, the Rotcleaver
0.03% of 18970 decks 5 decks
Muldrotha, the Gravetide
0.01% of 15112 decks 2 decks
Varina, Lich Queen
0.03% of 7044 decks 2 decks
Sidisi, Brood Tyrant
0.02% of 6243 decks 1 decks
Grimgrin, Corpse-Born
0.05% of 2083 decks 1 decks
Nevinyrral, Urborg Tyrant
0.07% of 1536 decks 1 decks
High Synergy Cards
Necroduality
92% of 12 decks +90% synergy
Phyrexian Altar
83% of 12 decks +79% synergy
Carrion Feeder
83% of 12 decks +78% synergy
Diregraf Colossus
75% of 12 decks +73% synergy
Sidisi, Undead Vizier
75% of 12 decks +73% synergy
Gravecrawler
75% of 12 decks +72% synergy
Field of the Dead
75% of 12 decks +72% synergy
Diregraf Captain
75% of 12 decks +71% synergy
Ashnod's Altar
75% of 12 decks +67% synergy
Headless Rider
67% of 12 decks +65% synergy
Top Cards
Undead Augur
67% of 12 decks +65% synergy
Gray Merchant of Asphodel
67% of 12 decks +58% synergy
Liliana, Untouched by Death
58% of 12 decks +58% synergy
Poppet Stitcher
58% of 12 decks +57% synergy
Shambling Ghast
58% of 12 decks +57% synergy
Fleshbag Marauder
58% of 12 decks +54% synergy
Vengeful Dead
50% of 12 decks +49% synergy
Noxious Ghoul
50% of 12 decks +49% synergy
Mikaeus, the Unhallowed
50% of 12 decks +47% synergy
Rot Hulk
42% of 12 decks +41% synergy
Creatures
Wayward Servant
100% of 3 decks +99% synergy
Warren Soultrader
50% of 6 decks +43% synergy
Relentless Dead
42% of 12 decks +41% synergy
Fell Stinger
42% of 12 decks +41% synergy
Wilhelt, the Rotcleaver
42% of 12 decks +40% synergy
The Scarab God
42% of 12 decks +39% synergy
Sedraxis Alchemist
33% of 12 decks +33% synergy
Acererak the Archlich
33% of 12 decks +33% synergy
Grimgrin, Corpse-Born
33% of 12 decks +32% synergy
Lord of the Undead
33% of 12 decks +32% synergy
Hordewing Skaab
33% of 12 decks +32% synergy
Champion of the Perished
33% of 12 decks +32% synergy
Undead Warchief
33% of 12 decks +32% synergy
Havengul Lich
33% of 12 decks +32% synergy
Gisa and Geralf
33% of 12 decks +31% synergy
Death Baron
33% of 12 decks +31% synergy
Midnight Reaper
33% of 12 decks +30% synergy
Shepherd of Rot
25% of 12 decks +24% synergy
Zombie Master
25% of 12 decks +24% synergy
Liliana's Standard Bearer
25% of 12 decks +24% synergy
Plague Belcher
25% of 12 decks +24% synergy
Cleaver Skaab
25% of 12 decks +24% synergy
Lord of the Accursed
25% of 12 decks +23% synergy
Murderous Rider
25% of 12 decks +23% synergy
Blood Artist
25% of 12 decks +13% synergy
Instants
Mana Drain
50% of 12 decks +35% synergy
Lazotep Plating
42% of 12 decks +40% synergy
Cyclonic Rift
42% of 12 decks +14% synergy
Fierce Guardianship
33% of 12 decks +15% synergy
Vampiric Tutor
33% of 12 decks +15% synergy
Entomb
25% of 12 decks +18% synergy
Malakir Rebirth
25% of 12 decks +17% synergy
Deadly Rollick
25% of 12 decks +14% synergy
An Offer You Can't Refuse
25% of 12 decks +4% synergy
Dark Ritual
25% of 12 decks +3% synergy
Counterspell
25% of 12 decks -18% synergy
Sorceries
Empty the Laboratory
42% of 12 decks +41% synergy
Demonic Tutor
25% of 12 decks +3% synergy
Utility Artifacts
Skullclamp
42% of 12 decks +29% synergy
Bolas's Citadel
25% of 12 decks +16% synergy
Lightning Greaves
25% of 12 decks -0% synergy
Enchantments
Endless Ranks of the Dead
42% of 12 decks +40% synergy
Grave Pact
42% of 12 decks +37% synergy
The Meathook Massacre
42% of 12 decks +37% synergy
Kindred Discovery
33% of 12 decks +26% synergy
Mystic Remora
33% of 12 decks +15% synergy
Rhystic Study
33% of 12 decks +5% synergy
Dictate of Erebos
25% of 12 decks +21% synergy
Utility Lands
Urborg, Tomb of Yawgmoth
58% of 12 decks +48% synergy
Cabal Coffers
50% of 12 decks +39% synergy
Bojuka Bog
42% of 12 decks +11% synergy
Unholy Grotto
33% of 12 decks +33% synergy
Crypt of Agadeem
33% of 12 decks +32% synergy
Phyrexian Tower
33% of 12 decks +25% synergy
Nykthos, Shrine to Nyx
25% of 12 decks +19% synergy
Reliquary Tower
25% of 12 decks -4% synergy
Mana Artifacts
Sol Ring
100% of 12 decks +16% synergy
Arcane Signet
67% of 12 decks -5% synergy
Mana Crypt
42% of 12 decks +33% synergy
Dimir Signet
33% of 12 decks +4% synergy
Talisman of Dominance
33% of 12 decks +2% synergy
Commander's Sphere
25% of 12 decks +10% synergy
Fellwar Stone
25% of 12 decks +4% synergy
Lands
Vault of Champions
100% of 3 decks +74% synergy
Godless Shrine
100% of 3 decks +59% synergy
Hallowed Fountain
100% of 3 decks +59% synergy
Command Tower
83% of 12 decks +9% synergy
Tainted Isle
50% of 12 decks +39% synergy
Watery Grave
50% of 12 decks +9% synergy
Darkwater Catacombs
42% of 12 decks +27% synergy
Sunken Hollow
42% of 12 decks +7% synergy
Unclaimed Territory
33% of 12 decks +28% synergy
Polluted Delta
33% of 12 decks +22% synergy
Myriad Landscape
33% of 12 decks +14% synergy
Drowned Catacomb
33% of 12 decks +8% synergy
Morphic Pool
33% of 12 decks +7% synergy
Exotic Orchard
33% of 12 decks -2% synergy
Secluded Courtyard
25% of 12 decks +20% synergy
Cavern of Souls
25% of 12 decks +18% synergy
Clearwater Pathway
25% of 12 decks +15% synergy
Marsh Flats
25% of 12 decks +14% synergy
Underground Sea
25% of 12 decks +11% synergy
Choked Estuary
25% of 12 decks +8% synergy
Dimir Aqueduct
25% of 12 decks +8% synergy
Shipwreck Marsh
25% of 12 decks +6% synergy
Underground River
25% of 12 decks +6% synergy
Path of Ancestry
25% of 12 decks +4% synergy